/* ========================================================================
 * Bootstrap: tab.js v3.3.7
 * http://getbootstrap.com/javascript/#tabs
 * ========================================================================
 * Copyright 2011-2016 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * ======================================================================== */


+function ($) {
    'use strict';

    // TAB CLASS DEFINITION
    // ====================

    var Tab = function (element) {
        // jscs:disable requireDollarBeforejQueryAssignment
        this.element = $(element)
        // jscs:enable requireDollarBeforejQueryAssignment
    };

    Tab.VERSION = '3.3.7';

    Tab.TRANSITION_DURATION = 150;

    Tab.prototype.show = function () {
        var $this = this.element;
        var $ul = $this.closest('ul:not(.dropdown-menu)');
        var selector = $this.data('target');

        if (!selector) {
            selector = $this.attr('href');
            selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
        }

        if ($this.parent('li').hasClass('active')) return;

        var $previous = $ul.find('.active:last a');
        var hideEvent = $.Event('hide.bs.tab', {
            relatedTarget: $this[0]
        });
        var showEvent = $.Event('show.bs.tab', {
            relatedTarget: $previous[0]
        });

        $previous.trigger(hideEvent);
        $this.trigger(showEvent);

        if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) return;

        var $target = $(selector);

        this.activate($this.closest('li'), $ul);
        this.activate($target, $target.parent(), function () {
            $previous.trigger({
                type: 'hidden.bs.tab',
                relatedTarget: $this[0]
            });
            $this.trigger({
                type: 'shown.bs.tab',
                relatedTarget: $previous[0]
            })
        })
    };

    Tab.prototype.activate = function (element, container, callback) {
        var $active = container.find('> .active');
        var transition = callback
            && $.support.transition
            && ($active.length && $active.hasClass('fade') || !!container.find('> .fade').length);

        function next() {
            $active
                .removeClass('active')
                .find('> .dropdown-menu > .active')
                .removeClass('active')
                .end()
                .find('[data-toggle="tab"]')
                .attr('aria-expanded', false);

            element
                .addClass('active')
                .find('[data-toggle="tab"]')
                .attr('aria-expanded', true);

            if (transition) {
                element[0].offsetWidth; // reflow for transition
                element.addClass('in')
            } else {
                element.removeClass('fade')
            }

            if (element.parent('.dropdown-menu').length) {
                element
                    .closest('li.dropdown')
                    .addClass('active')
                    .end()
                    .find('[data-toggle="tab"]')
                    .attr('aria-expanded', true)
            }

            callback && callback()
        }

        $active.length && transition ?
            $active
                .one('bsTransitionEnd', next)
                .emulateTransitionEnd(Tab.TRANSITION_DURATION) :
            next();

        $active.removeClass('in')
    };


    // TAB PLUGIN DEFINITION
    // =====================

    function Plugin(option) {
        return this.each(function () {
            var $this = $(this);
            var data = $this.data('bs.tab');

            if (!data) $this.data('bs.tab', (data = new Tab(this)));
            if (typeof option == 'string') data[option]()
        })
    }

    var old = $.fn.tab;

    $.fn.tab = Plugin;
    $.fn.tab.Constructor = Tab;


    // TAB NO CONFLICT
    // ===============

    $.fn.tab.noConflict = function () {
        $.fn.tab = old;
        return this
    };


    // TAB DATA-API
    // ============

    var clickHandler = function (e) {
        e.preventDefault();
        Plugin.call($(this), 'show')
    };

    $(document)
        .on('click.bs.tab.data-api', '[data-toggle="tab"]', clickHandler)
        .on('click.bs.tab.data-api', '[data-toggle="pill"]', clickHandler)

}(jQuery);